2src: https://digitalarchive.tpl.ca/internal/media/dispatcher/2130240/fullThe tutor's assistant1849Fraser, John (Accountant)37131052103314D7696756345074src: https://digitalarchive.tpl.ca/internal/media/dispatcher/2250276/fullThe tutor's assistant : being a compendium of arithmetic, and a complete question-book1826Walkingame, Francis, active 1751-178537131009545468D7989156391119